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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2024-12-23 05:11:58 +0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2024-12-23 06:28:55 +0800 |
| commit | a2b0ff98a0d44259cc5f6bd7d3a3676ae9f8996a (patch) | |
| tree | 7816983cdeea6e6c32dd005c76da785811ea3047 /debug | |
| parent | 3fb895ac88e99201573352b1abc18db4340ecede (diff) | |
| download | glibc-a2b0ff98a0d44259cc5f6bd7d3a3676ae9f8996a.tar.xz glibc-a2b0ff98a0d44259cc5f6bd7d3a3676ae9f8996a.zip | |
include/sys/cdefs.h: Add __attribute_optimization_barrier__
Add __attribute_optimization_barrier__ to disable inlining and cloning on a
function. For Clang, expand it to
__attribute__ ((optnone))
Otherwise, expand it to
__attribute__ ((noinline, clone))
Co-Authored-By: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Sam James <sam@gentoo.org>
Diffstat (limited to 'debug')
| -rw-r--r-- | debug/tst-backtrace.h | 2 | ||||
| -rw-r--r-- | debug/tst-ssp-1.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/debug/tst-backtrace.h b/debug/tst-backtrace.h index 53239dad59..0ed38b6892 100644 --- a/debug/tst-backtrace.h +++ b/debug/tst-backtrace.h @@ -33,7 +33,7 @@ volatile int x; /* Use this attribute to prevent inlining, so that all expected frames are present. */ -#define NO_INLINE __attribute__ ((noinline, noclone, weak)) +#define NO_INLINE __attribute__ ((weak)) __attribute_optimization_barrier__ /* Look for a match in SYM from backtrace_symbols to NAME, a fragment of a function name. Ignore the filename before '(', but presume diff --git a/debug/tst-ssp-1.c b/debug/tst-ssp-1.c index a1e4fb0630..2c8861ae59 100644 --- a/debug/tst-ssp-1.c +++ b/debug/tst-ssp-1.c @@ -21,7 +21,7 @@ #include <signal.h> static void -__attribute__ ((noinline, noclone)) +__attribute_optimization_barrier__ test (char *foo) { int i; |